DistributedVector::Stripe Class Reference

#include <DistributedVector.hpp>

Collaboration diagram for DistributedVector::Stripe:

Public Member Functions
	Stripe (DistributedVector parallelVec, unsigned stripe)
DistributedVectorFactory *	GetFactory ()
double &	operator[] (unsigned globalIndex)
double &	operator[] (Iterator index)

Private Attributes
unsigned	mStride
unsigned	mStripe
double *	mpVec
unsigned	mLo
unsigned	mHi
DistributedVectorFactory *	mpFactory

Detailed Description

Provide access to a particular stripe of a striped vector.

A striped vector has multiple types of information encoded within a single vector, with a layout like [x_1, y_1, z_1, x_2, y_2, z_2, ... x_n, y_n, z_n]. This class provides easy access to, for example, the x values.

Definition at line 194 of file DistributedVector.hpp.

Constructor & Destructor Documentation

DistributedVector::Stripe::Stripe ( DistributedVector  parallelVec, unsigned  stripe  )

inline

Constructor.

Parameters

parallelVec	striped vector
stripe	number of this stripe within the vector starting from 0

Definition at line 210 of file DistributedVector.hpp.

References DistributedVector::GetFactory(), DistributedVector::GetHigh(), DistributedVector::GetLow(), DistributedVector::mpVec, and DistributedVector::mSizeMultiplier.

Member Function Documentation

DistributedVectorFactory* DistributedVector::Stripe::GetFactory ( )

inline

Returns

the factory used to create this vector.

Definition at line 224 of file DistributedVector.hpp.

References DistributedVector::mpFactory.

Referenced by ParallelColumnDataWriter::PutVectorStripe().

double& DistributedVector::Stripe::operator[] ( unsigned  globalIndex )

inline

Access a particular element of the stripe if on this processor. For use in tests. Will throw a DistributedVectorException if the specified element is not on this process.

Parameters

globalIndex

index within the stripe

Returns

value of striped vector

Definition at line 237 of file DistributedVector.hpp.

References DistributedVector::mLo.

double& DistributedVector::Stripe::operator[] ( Iterator  index )

inline

Parameters

index

Returns

value of striped distributed vector pointed to by index.

Definition at line 250 of file DistributedVector.hpp.

References DistributedVector::Iterator::Local.

Member Data Documentation

unsigned DistributedVector::Stripe::mHi

private

One above the last entry owned by the current processor.

Definition at line 200 of file DistributedVector.hpp.

unsigned DistributedVector::Stripe::mLo

private

The first entry owned by the current processor.

Definition at line 199 of file DistributedVector.hpp.

DistributedVectorFactory* DistributedVector::Stripe::mpFactory

private

The factory that created our parent vector.

Definition at line 201 of file DistributedVector.hpp.

double* DistributedVector::Stripe::mpVec

private

The local part of the underlying PETSc vector.

Definition at line 198 of file DistributedVector.hpp.

unsigned DistributedVector::Stripe::mStride

private

Number of types of information in the vector.

Definition at line 196 of file DistributedVector.hpp.

unsigned DistributedVector::Stripe::mStripe

private

The number of this stripe within the vector starting from 0.

Definition at line 197 of file DistributedVector.hpp.

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The documentation for this class was generated from the following file:

• global/src/parallel/DistributedVector.hpp